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• proting busybox
• porting ALSA
• porting I2C
• porting SOUND
• porting PI5USB
• porting RTL5640 codecs/DSP

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0.environment

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1. compile

f

1.1 download SDK

skip

1.2 setup environment (if necessary)

cd SDK
source build/envsetup.sh
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1.3 compile steps

1.3.1 compile u-boot

1. remove old files
2. recompile uboot (use profile : u-boot/configs/px30_defconfig)

cd u-boot/
#make clean    # Remove most generated files but keep the config and enough build support to build external modules
make mrproper # Remove all generated files + config + various backup files
#make distclean # mrproper + remove editor backup and patch files
./make.sh px30   # use profile : ./configs/px30_defconfig
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1.3.2 compile kernel

1. remove old files
2. recompile kernel
   2.1 use profile : ./arch/arm64/configs/rockchip_defconfig

cd kernel

make ARCH=arm64 rockchip_defconfig  # use profile : ./arch/arm64/configs/rockchip_defconfig
rm -rf arch/arm64/boot/dts/rockchip/px30-evb-ddr3-v10-avb.dtb   # remove the old compiled files first,
make ARCH=arm64 px30-evb-ddr3-v10-avb.img                       # and then recompile the kernel files we need
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1.3.3 complie android

1. invoke ‘. build/envsetup.sh’ from your shell to add some functions to your environment
2. select a reference board and export global variables for other subsequent
3. recomile files

source SDK/build/envsetup.sh        # invoke '. build/envsetup.sh' from your shell to add some functions to your environment
lunch rk3326_m2g-userdebug          # select a reference board and export global variables for other subsequent
make -j20                           # compile android
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1.3.4 build system.img

1. source cmd from evnsetup.sh
2. select a reference board
3. rebuild system.img

source SDK/build/envsetup.sh
lunch rk3326_m2g-userdebug
./mkimage.sh
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1.3.5 build update.img

1, Copy the new imgs to FW/
2. rebuild update.img

cp -rf rockdev/Image-rk3326_m2g RKTools/linux/Linux_Pack_Firmware/rockdev     # copy the generated img to FW/
cd RKTools/linux/Linux_Pack_Firmware/rockdev/                   # change list to FW/
rm -rf Image                                                    # remove the old Images first.
# sed -i 's/RK3326/RKPX30/g'  mkupdate.sh  // change CHIP INFO
./mkupdate.sh                                                   # and then rebuild update.img
#cp update.img xxxx  # if necessary
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2. burning

2.1 use ‘AndroidTool.exe’ (designed by Rocdchip)

1. install ROCKUSB driver in windows PC first
   1.1 extract ‘’DriverAssitant_Vxxx.zip‘
   1.2 click "DriverInstall.exe’ ,then install this deiver.
   

2. install ADB tool
   2.1 extract ‘AndroidTool_xxx.zip’
   2.2 add the dirctory of adb.exe into the win environment veriable path
   2.3 restart the windows of CMD.
   

2.1.1 use FW img

file name like : xxxxx_update.img

steps :

1. power up your board.
2. start ‘AndroidTool.exe’ and click '切换’ to enter ‘loader’mode
3. click’固件’ , then select the file to upgrade.

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change list

1. change CHIP INFO for update.img

sed -i 's/RK3326/RKPX30/g'  RKTools/linux/Linux_Pack_Firmware/rockdev/mkupdate.sh
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then rebuilg updage.img, use cmd like :
RKTools/linux/Linux_Pack_Firmware/rockdev/mkupdate.sh

2. ADD cmd like vim / xxx (busybox)

3. ADD ALSA/I2C/SOUND/USB (kernel module)

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issue list